package com.lyfei.yd.security.service;

import com.lyfei.yd.admin.security.model.LoginUser;
import com.lyfei.yd.common.exception.CustomException;
import com.lyfei.yd.common.utils.StringUtils;
import com.lyfei.yd.domain.entity.SysRole;
import com.lyfei.yd.domain.entity.SysUser;
import com.lyfei.yd.enums.SysUserStatus;
import com.lyfei.yd.service.SysUserRoleService;
import com.lyfei.yd.service.SysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;

@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private SysUserService userService;

    @Autowired
    private SysUserRoleService sysUserRoleService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        SysUser user = userService.getByUsername(username);

        if (StringUtils.isNull(user)) {
            log.info("登录用户：{} 不存在.", username);
            throw new UsernameNotFoundException("登录用户：" + username + " 不存在");
        } else if (SysUserStatus.DELETED.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被删除.", username);
            throw new CustomException("对不起，您的账号：" + username + " 已被删除");
        } else if (SysUserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被停用.", username);
            throw new CustomException("对不起，您的账号：" + username + " 已停用");
        } else {
            SysRole role = sysUserRoleService.getRoleByUserId(user.getId());
            List<GrantedAuthority> authorities = new ArrayList<>();
            if (null != role) {
                authorities.add(new SimpleGrantedAuthority("ROLE_" + role.getRoleKey()));
            }
            return new LoginUser(user, authorities);
        }
    }
}
